Eli Zaretskii writes:
> > From: "Stephen J. Turnbull" <address@hidden>
> > Cc: "Chris Moore" <address@hidden>,
> > address@hidden
> > Date: Tue, 18 Sep 2007 12:35:27 +0900
> >
> > Eli Zaretskii writes:
> >
> > > It would be a performance hit: Emacs will need to open a file and read
> > > its first bytes just to know what to do with it.
> >
> > This is precisely what an autodetecting coding system does.
>
> No, that's not true; at least not in GNU Emacs. Autodetecting reads
> the file in its entirety.
Well, if you're going to open and convert the file anyway, this isn't
really a loss.
Furthermore, there must be some scheme for buffering for process
coding systems.